DA Calculator - Density Altitude Calculator Maryland International Raceway


Mechanicsville, MD


This calculator will calculate the Density Altitude (DA) from the given weather conditions for your drag racing runs.

You can enter in the data manually if you have it ready, or you can choose the track and date of the drag racing
run and we will look up the weather and elevation data for you. Weather data is obtained from an airport near the track.

If you want the most accurate DA, check out this Kestrel 4250 racing weather meter, it gives you your DA instantly at the track.

Track:

Date:

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Click on the time to select your run conditions and calcuate your DA:
Time Temperature Humidity Pressure
12/11/2011 00:00:00 35.05 F 56 % 30.53 in
12/11/2011 01:00:00 31.84 F 58 % 30.53 in
12/11/2011 02:00:00 32.1 F 57 % 30.55 in
12/11/2011 03:00:00 31.25 F 60 % 30.56 in
12/11/2011 04:00:00 30.32 F 63 % 30.57 in
12/11/2011 05:00:00 29.51 F 66 % 30.58 in
12/11/2011 06:00:00 29.39 F 68 % 30.6 in
12/11/2011 07:00:00 28.9 F 69 % 30.62 in
12/11/2011 08:00:00 29.2 F 69 % 30.64 in
12/11/2011 09:00:00 33.51 F 60 % 30.67 in
12/11/2011 10:00:00 36.37 F 54 % 30.68 in
12/11/2011 11:00:00 38.53 F 49 % 30.68 in
12/11/2011 12:00:00 39.35 F 44 % 30.67 in
12/11/2011 13:00:00 40.47 F 42 % 30.64 in
12/11/2011 14:00:00 41.42 F 40 % 30.62 in
12/11/2011 15:00:00 41.54 F 40 % 30.61 in
12/11/2011 16:00:00 40.43 F 43 % 30.61 in
12/11/2011 17:00:00 37.86 F 49 % 30.61 in
12/11/2011 18:00:00 33.92 F 63 % 30.62 in
12/11/2011 19:00:00 31.58 F 67 % 30.62 in
12/11/2011 20:00:00 29.76 F 75 % 30.62 in
12/11/2011 21:00:00 28.5 F 77 % 30.63 in
12/11/2011 22:00:00 28.18 F 78 % 30.62 in
12/11/2011 23:00:00 27.53 F 82 % 30.62 in

Track Elevation:

feet above sea level

Air Temperature:

degrees F

Barometric Pressure:

inches Hg

Relative Humidty:

%


Density Altitude: -1881 feet
Relative Density: 105.62 %

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Correct your ET and MPH using the DA (Beta Testing)

Density Altitude:

feet above sea level

1/4 mile ET:

seconds

1/4 mile trap speed:

MPH

Stock and Mildly Modified Naturally Aspirated Engines
@ MPH

Extensively Modified Naturally Aspirated Engines
@ MPH

Extensively Modified Supercharged and Turbocharged Engines
@ MPH

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